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Type: Article
Published: 2016-04-07
Page range: 511–528
Abstract views: 71
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Validity of a blue stripe snapper, Lutjanus octolineatus (Cuvier 1828) and a related species, L. bengalensis (Bloch 1790) with a new species (Pisces; Lutjanidae) from the Arabian Sea

Laboratory of Fisheries Sciences, Department of Marine Biology & Environmental Sciences, University of Miyazaki, 1-1 Gakuen-kibanadai-nishi, Miyazaki 889-2192, Japan.
Marine Science & Fisheries Centre, Ministry of Agriculture and Fisheries Wealth, P.O. Box 427, 100 Muscat, Sultanate of Oman.
Laboratory of Fisheries Sciences, Department of Marine Biology & Environmental Sciences, University of Miyazaki, 1-1 Gakuen-kibanadai-nishi, Miyazaki 889-2192, Japan. The South African Institute for Aquatic Biodiversity, Private Bag 1015, Grahamstown 6140, South Africa
Pisces Lutjanus octolineatus L. bengalensis validity L. sapphirolineatus n. sp. taxonomy blue-striped snapper complex Indian Ocean


Lutjanus octolineatus (Cuvier 1828), previously considered a junior synonym of Lutjanus bengalensis (Bloch 1790), is shown to be a valid species and lectotypes are designated. Both species are redescribed. The two species have overlapping distributions in the Indian Ocean, but are clearly separable by different dorsal-fin spine counts, blue-striped pattern on the body and the presence or absence of a subocular extension of cheek scales. Lutjanus octovittata (Valenciennes 1830), formerly assigned to synonymy of L. bengalensis, is considered a junior synonym of L. octolineatus based on examination of the holotype. Lutjanus sapphirolineatus n. sp., a species formerly misidentified as L. bengalensis, is described based on 10 specimens from Oman and Somalia. The new species differs from the three species above by a combination of different characters. Analysis of the mitochondrial cytochrome c oxidase subunit 1 (CO1, 603 bp) genetic marker, also strongly supports the validity of each species of the blue-striped snapper complex as distinct.



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